OpenTechnical

OT-2026-000084887

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084887) never changes.

Identity and time

Publication numberOT-2026-000084887 · never reused
Internal UUID01a0ae99-43b4-7359-ad54-07998952cae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084887
StatusPUBLIC

Content hashes

Canonical text8e6a3a58d7a1296d7ecfc0b1b6da1a9550439d456448d03ce1179457bd7f59a2
Markdown326f71f7c41d2f583e6f879c3c2ee1ff76df66f729089991389da6d7ed81372e
PDF
Publication pagee61a70a7340047097d7a50886fce200ededfcfee900b1c6980c8d787529737e0
Manifest2df9e89f91d0ab9fc9bfa8e8be640af2f1e4e5a8a052ce1821750a9d7a94e5aa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyOtT1yY2mzUTz8QTwEZ1UxhfwFIvQROW5w+mUEgSd4m9g7ZaEg4SWA8dUObcI1LyfjXFWD7L87J/g8CfNFJFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:51.655286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084887
observed e61a70a7340047097d7a50886fce200e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.637848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084887/manifest.json
observed 2df9e89f91d0ab9fc9bfa8e8be640af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.613266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084887/publication.md
observed 326f71f7c41d2f583e6f879c3c2ee1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.586959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084887/publication.txt
observed 8e6a3a58d7a1296d7ecfc0b1b6da1a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.